Lightning protection gauge



FIG. 1 is a front perspective view of a lightning protection gauge showing my design.

FIG. 2 is a front view of a lightning protection gauge showing my design.

FIG. 3 is a back view of a lightning protection gauge showing my design; and,

FIG. 4 is a side view of a lightning protection gauge showing my design. 

The ornamental design for a lightning protection gauge, as shown. 